Wick-tube for hydrocarbon-burners.



C. W. DAVIS 6L V. S. JOHNSON.

wlcK TUBE FoR HYnRocARsoN BURNERS.

APPLICATION FILED AUG.22. 1914. v Patented June 5, 1917.

2 SHEETS-SHEET I.

y QOOOQ, /5

CSS?

C. W`. DAVIS & V. S. JOHNSON.

WICK TUBE FOR HYDRocARBoN BURNERS.

APPLICATION FILED AUG-22.1914. y

Patented June o, 1917.

/ Y 55u y ,f www CORTLAND W. DAVIS AND VICTOR S. J'OHNSONQ-,OF CHICAGQ'VILLOIS', VASSIGN'OIRS TO THE MANTLE VLA ll/IP COMPANY F AMERICA, OF CHICAGO, ILLINOIS, A COR- PORATION OF ILLINOIS.

recents.

' Be it known that we, GORTLAND W. Davis and VICTOR S. JOHNSON, citizens of the United States, residing at Chicago, vin the.

county of CookA and State of Illinois, have v invented certain new and useful Improvei the defects in burners of this type by main-v ments in Wick-Tubes for Hydrocarbon-Burners; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable Others skilled in theart to which it appertainsl to make and use the same. v

'Ihis invention is an improvement in wick tubes, used in hydro-carbon burners of the wick type, and is especially adapted vfor the blue flame type of burners used for the production of heat or light.

' In burners of this classiication, it has been recognized that a large amount of heat is transmittedx from the flame to the various parts of the burner, and more especially to the wick tubes. It is a known fact that-the heating up of the wick 'tubes surrounding the wick increases the volume of fuel given oli' from the wick to the flame. creased ame, in turn, eiiects additional heating of the wick tubes. This action is cyclic and-known in the art as creeping up. In burner-s of the blue flame type to be used with a mantle, it is not infrequent that, when the burner parts 'become excessively heated, .vapor is formed between' the wick and the tubes `surrounding the same, and a pressure is generated. If the tubes are not air tight the vapor will leak out belowl the burning level, the flame may Hash back and burn around the point of leakage, causing further excessive heating and often annealing the metal or ruining the burner. It .is an aim of this inventionv to overcome taining various parts of the burner, and especially the lower partJof the wick tubes, in a col condition, by restricting the heat from the ame creeping down the structure of the burner. v A

' It is a further object of the invention to so construct a wick tube that an insulated section thereof maybe so positioned with relation to its adjacent section, that leakage will not bepermitted between the tubo sections, thereby producing a substantially continuus-closed-tube of insulated parts.

` A further purpose ofthe invention iste The in- WICK-TUBE FOR HYDROCARBON-BURNERS.

`Specification of Letters Patent. l

Patented June 5, 19W.

La ppncation med August 22, 1914. seriaruo. 858,070.

produce a burner which, when the flame is set at a desired volume, will reduce to a' minimum the creeping up7 of the flame.

Different means for accomplishing the results desired are obtained by the burner con- K structions illustrated and described, as practical forms of the invention.

In the accompanying drawings:

Figure 1 is a vertical sectional View of an embodiment disclosing an outer .wick tube formed in a plurality of sections.

Fig. 2 is a partial vertical sectional view of another embodiment of the burner with the outer wick tube in a plurality of sections and producing a different manufacturing and repair proposition, the upper section being supported from the lower section.

Fig. 3 is a partial detail view ofthe inner and outer wick tube construction.

Fig. 4 is an enlarged partial detail view of the insulating material retained between the tube sections, `of Fig. 2.

Fig. 5 is a detail view of a means toretain the insulating material in position.

Fig. 6 is a' similar detail View lwith they staggered retaining means.

Fig. 7 is a plan view of the flange to reis susceptible for use .in connection with burners for lamps and stoves as well as i'ncandescent mantle lamps, although the invention is designed particularly for burners ofthe blue fiame type. ,v Q f j The wicktube of the burner is produced in a plurality of sections. These sections may be retained in a substantially contmuous structure to guide a wick, but vare so positioned that they will restrict the transmission of heat from one section to another. In maintaining the tube sections out of contact with each other, suitable insulating meansmay-be employed to lprevent heat from the fiume creeping down the tube structure to the fuel supply and causing an over-production of combustible vapor.

l'n the structure disclosed in the drawings the burner comprises a plurality of sections. The section nearest the flame, which we have termed the flame section l of the outer wick tube, may have an upper wickengaging part provided with an outwardly extended baille, shown 1n Fig. 1 as an annular sleeve 3 with an angularly 'positioned^ i fiange4 4. This 'upper section ,1 may be y forated to produce an air screen or distributer. This distributer portion 7 is adapted to be supported from a seat 8 on the burner base to maintain the upper portion 1 in proper relation to the lower, or fuel, sec-` i tion 6 of the wick tube.

- that the portion terial may be in 16 of any desired construction.

The .lower section, or fuel, section 6, may

vbe provided with a suitable stop device,

shown in Fig. 1, as an annular rib 9 which is positioned near the base of the portion 5 of upper tube section 1. It will be noted 2 is of substantially the same diameter as the fuel section 6, and these sections- 2, 6, coperate to support and guide the outside of the wick. The upper Aend of section 6 is shown terminating at a point substantially coincident with the contracted walLa of the flame section 1, it ber' ing understood that the wick tube sections of contact vwith each.' This may be accomplished by the` are maintained out other. employment of insulating means such, for example, as asbestos, magnesium, or any other suitable material, indicated at 10. In the structure of Fig. 1 the insulating mathe form of rings held between the rib 9 and the outwardly iiared end 11 of the tube section 6, although it is obvious that otherretaining means may be employed. However, it will be observed that neither air nor fuel is permitted' to pass the insulating material 10 between the parts 1 and 6. The wick is shown at 12.

The oblique flange 7 of the upper section 1, which acts as an air distributer, may be separated from lthe base '13. by ,insulating material, indicated at 8a in Fig. 1, if desired.

base 13, the .gallery wick tube The ame spreader 17, in this construction, is shown supported by the inner wick tube 16.

In the construction illustrated in o provided with theiusual 14, a cone cap 1 5-, and an inner the outer wick tube is shown compose two members, 1 and 6, suchas illustrated in Fig. 1, thestructure being somewhat similar '.to that in` Fig. 1 except that the distributer or screen 7 is not connected with the iame section 1 of the wick tube. In this con-l struction,` however, the section 1 is shown provided with an extendedclowerportion which is adapted to be crimped in, after the assembling of the parts, to produce a reentrant flange 18. It is to be understood that before assembling the wicktube sections to form a continuousstructure for the outer wick tube, the sectie? 6, which may ment, which 1s adjacent the flame, from an- It is to be observed that the burner -is have an annular rib 9, such as illustrated in Fig. y1, is properly 'supported from the burner base 16. The base 13 is provided 'with a series of perforations or apertures to leavev very narrow bridges of metal, thereby enabling the heat, conducted from the gallery of the burner to the abase, to be eliminated by radiation, and thereby effectively dissipating heat prior to its reaching the outer wick tube 6. The portion 18 vof section 1 is preferablyk formed as a continuation of section 1 and is extended in a plane substantially parallel with the sect1on. 6. l 'When the portion 1 is passed over the upper end of section 6, the lower portion 18 may thereafter be bent upwardly to the position shown in 2 and 4, forming a channel 19. It is preferable to separate section 1 from section 6 by suitable insulating material sothat the metal of these tube sectionsmwill not contactiwith each other. This insulating material may bev in the form of asbestos rings, and be clamped between the shoulder 20 and flange 18 of tube section 1, around the stop 9 of tube section 6. The stop 9 may be of any preferred form or construction, but to facilitate manufacture, it is 4shown as an annular rib. The structure illustrated lin Figs; 2.and 4 may be preferred, as a manufacturing construction, over that illustrated in Fig. 1, but the purpose of the invention is the Asame e.,

` insulating a portion of a wick guiding eleother-portion of the wick guiding element which is removed from theliame to main# j v tain the latter element in acool condition.

In Figs. 4,- 5' and v6 the shoulder 20 'is shown provided with means to engage the insulating material and prevent movement of the-section 1 with relation to the section 6 of the wick tube. -If desired, thestop device 9 may also have some retaining means connected with the same. One form of retaining means may be the provision of a knurled or roughened surface of the kparts 9 and 20, such knurling being effected 'by punching up the `metal in reverse or staggered relation to each other, or opposite to each other. If desired, the rentrant f iange 18 may also be crimped around the insulating material at the same time the crimping operation is performed on the shoulder ,20. It should noted that the lflange '18 is maintained out of' contact with -the structure of the `tube 6.

The upper section 1, in Figs. 2 and 4, is supported from the lower section 6 and out of contact with any other metallic portion of the burner, and is separated from the fuel/section 6 by any preferred means which will' vbe a non-conductor of heat.

In'Fig. 3, the inner and outer wick tubes are shown provided with a flame engaging 130 by Letters Patent is;

Kflange 26, to retain' portion which is insulatedy from the main section or fuel contact section of' the tubes. In this figure, the inner tube 16 is shown provided with an upper or flame engaging section 2l having a portion 22 of substantially the same diameter as the main part 16 of the inner wick tube, but separated therefrom. The portion 22 serves to guide the wick after the wick has passed beyond the end 23 of the lower portion of the inner wick tube. The inner wick tube 16 may be provided with a suitable stop device 24, as illustrated, for the outer wick tube, and

may also be provided with any suitable means, such as'the shoulder 25 and binding the insulating material in contact with the stop 24 and to sup port the auxiliary or flame engaging section of the inner tube -out of contact with the lower or fuel engaging `section yof said tube. In this construct1on, the flame spreader 27 may be supported in any suit-- able manner from the upper end 22 of the auxiliary or flame contacting section of the inner wick tube. It is obvious that minor changes in construction and parts may be made in the inner and outer wick tubes, or in baille rings to be supported therefrom, but the right is reserved to make such changes and alterations in the structure of the wick engaging portions and flame engaging portions of a wick tube, as will insulate such portions from each other,as contemplated by the appended claims.

Having thus described our invention, what we cla1m as new and ,desire to secure l. In a device of the class described, a wick tube comprising a'flame section and a fuel section, a non-heat conductor interposed .between said sections, and al renf trant flange on said flame section to engage said non-heat conductor.

.2, In'. a device ofthe class described, a wick tube comprising a flame section and a fuel section, said flame section being supported by the \fuel section and maintained out of contactherewith by insulating material.

3. A burner .comprising an `inner wick tube andan outer wick tube, each of said wick tubes having a Aplurality and a non-heat conductor interposed be- -tween said sections.

4. A burner having a plurality of wick tube members, one .wick tube member eX- tending from the base of the burner nearly to the upper end of the' wick` of said burner and provided with a rib, another burner member having a wick tube secof sections,

v material.

6. In a burner, a wick tube comprising a fuel section havinga' stop, a flame section separated from the fuel section, and insulating material interposed between the flame section and the fuel section and engaginq said stop, said flame section being provided with a shoulder which is adapted to engage the insulating materialadj acent the stop. 7. In a burner, a wick tube comprising a fuel` section having a stop, separated from the fuel section, and insulating material interposed between the flame section and the fuel section and engaging said stop, said flame section being provided with a shoulder which is adapted 'to be formed around the Stop of the fuel section `to retain said insulating material in position and to mount the flame sectionfrom the fuel section.

8. In a burner, fuel section having an annular stop, a flame section separated from the fuel section and provided with an annular flange adapted to be formed over said stop, and insulating material to retain said flame section out of contact with said fuel section, said flange being provided with means to clamp said insulating material between' the flange and the stop.

9. In a burner, a wick tube comprising a fuel section having an annular stop, a flame section separated from the fuel section and provided with an annular flange adapted to be formed around said stop, and insulating material to retain said flame section out of contact with said fuel section, said flange being provided with projections to engage said insulating material to clamp said material in position and prevent rotative movement of the flame section with relation to the fuel section.

In testimony whereof, we aflix our signatures, in presence of two witnesses.

`ooe'rinun w. Davis. vIcToR s. JoHNsoN.

l /l I l a w1ck tube comprismg av a flame section 

